FDV

FDV may refer to:
 * Federation of the Greens (Italian: Federazione dei Verdi), a political party in Italy
 * Festival du Voyageur, a winter festival in Winnipeg, Manitoba, Canada
 * Fiji disease virus
 * Fill and drain valve, a valve used in space and missile industry which achieves extremely tight leakage, while providing redundant inhibits against external leakage
 * Flow divider valve, a valve providing a plurality of output flows from a single fluid source